EP 1375198 B1 20091028 - Pneumatic tire tread for ice and snow covered road surfaces
Title (en)
Pneumatic tire tread for ice and snow covered road surfaces
Title (de)
Fahrzeugreifen-Lauffläche für schnee- und eisbedeckte Fahrbahnen
Title (fr)
Bande de roulement pour des sols enneigés et verglacés
Publication
Application
Priority
JP 2002182950 A 20020624
Abstract (en)
[origin: EP1375198A1] A pneumatic tire for use on iced and snowed road surfaces has a tread surface. The tread surface has a plurality of main grooves (2) extending in a circumferential direction of the tire and a plurality of lateral grooves (3) extending in a width direction of the tire. Blocks (4) are defined by the main grooves (2) and the lateral grooves (3). The blocks (4) have a ground contact face (4A) which has a plurality of pairs of sipes (6) comprising a left sipe (6A) and a right sipe (6B) extending in the tire width direction. The plurality of pairs of sipes (6) are placed in a predetermined interval in the tire circumferential direction. Each of the left (6A) and right sipes (6B) of each pair extends from a width-directional center portion (4C) of the ground contact face (4A) of the block (4) toward each way of the tire width direction so as to open its outer end to each side face (4X) of the block (4). <IMAGE>
IPC 8 full level
B60C 11/12 (2006.01); B60C 11/11 (2006.01)
CPC (source: EP US)
B60C 11/11 (2013.01 - EP US); B60C 11/12 (2013.01 - EP US); B60C 2011/1213 (2013.01 - EP US); B60C 2011/1227 (2013.01 - EP US); B60C 2011/1254 (2013.01 - EP US); B60C 2011/1268 (2013.01 - EP US); Y10S 152/03 (2013.01 - EP US); Y10S 152/902 (2013.01 - EP US); Y10T 152/10495 (2015.01 - EP US)
Designated contracting state (EPC)
AT CH DE IT LI SE
DOCDB simple family (publication)
EP 1375198 A1 20040102; EP 1375198 B1 20091028; AT E446858 T1 20091115; CA 2433823 A1 20031224; CA 2433823 C 20101109; DE 60329808 D1 20091210; JP 2004025954 A 20040129; JP 4056304 B2 20080305; US 2003234065 A1 20031225; US 2006060276 A1 20060323; US 7032635 B2 20060425; US 7500500 B2 20090310
DOCDB simple family (application)
EP 03013416 A 20030620; AT 03013416 T 20030620; CA 2433823 A 20030625; DE 60329808 T 20030620; JP 2002182950 A 20020624; US 24534105 A 20051007; US 46464403 A 20030619